IT946159B - Azocoloranti e procedimento per la loro preparazione - Google Patents

Azocoloranti e procedimento per la loro preparazione

Info

Publication number
IT946159B
IT946159B IT3282671A IT3282671A IT946159B IT 946159 B IT946159 B IT 946159B IT 3282671 A IT3282671 A IT 3282671A IT 3282671 A IT3282671 A IT 3282671A IT 946159 B IT946159 B IT 946159B
Authority
IT
Italy
Prior art keywords
azocolorants
procedure
preparation
Prior art date
Application number
IT3282671A
Other languages
English (en)
Italian (it)
Original Assignee
Bayer Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19702063717 external-priority patent/DE2063717A1/de
Priority claimed from DE19712121671 external-priority patent/DE2121671A1/de
Priority claimed from DE19712130027 external-priority patent/DE2130027C3/de
Application filed by Bayer Ag filed Critical Bayer Ag
Application granted granted Critical
Publication of IT946159B publication Critical patent/IT946159B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B41/00—Special methods of performing the coupling reaction
    • C09B41/001—Special methods of performing the coupling reaction characterised by the coupling medium
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/021—Disazo dyes characterised by two coupling components of the same type
    • C09B35/027—Disazo dyes characterised by two coupling components of the same type in which the coupling component is a hydroxy-amino compound
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B41/00—Special methods of performing the coupling reaction
    • C09B41/001—Special methods of performing the coupling reaction characterised by the coupling medium
    • C09B41/004—Special methods of performing the coupling reaction characterised by the coupling medium containing a reaction assistant, e.g. urea

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
IT3282671A 1970-12-24 1971-12-22 Azocoloranti e procedimento per la loro preparazione IT946159B (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19702063717 DE2063717A1 (en) 1970-12-24 1970-12-24 Azo dyes - by acid coupling in presence of low - mol with aliphatic amides
DE19712121671 DE2121671A1 (de) 1971-05-03 1971-05-03 Verfahren zur Herstellung von AzOfarbstoffen
DE19712130027 DE2130027C3 (de) 1971-06-18 1971-06-18 Monoazofarbstoffe

Publications (1)

Publication Number Publication Date
IT946159B true IT946159B (it) 1973-05-21

Family

ID=27183074

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3282671A IT946159B (it) 1970-12-24 1971-12-22 Azocoloranti e procedimento per la loro preparazione

Country Status (6)

Country Link
BE (1) BE777257A (enrdf_load_html_response)
CH (3) CH580671A5 (enrdf_load_html_response)
FR (2) FR2119078A1 (enrdf_load_html_response)
GB (1) GB1373928A (enrdf_load_html_response)
IT (1) IT946159B (enrdf_load_html_response)
NL (1) NL7117675A (enrdf_load_html_response)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2244991A1 (de) * 1972-09-14 1974-03-21 Bayer Ag Verfahren zur herstellung von tetrakisazofarbstoffen
DE2712170C2 (de) * 1977-03-19 1984-10-25 Bayer Ag, 5090 Leverkusen Azofarbstoffe
DE2728073C2 (de) * 1977-06-22 1984-09-27 Bayer Ag, 5090 Leverkusen Wasserlösliche Monoazofarbstoffe
DE2847532C3 (de) * 1978-11-02 1981-08-06 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Azofarbstoffen
EP0048692B1 (en) * 1980-09-19 1984-04-18 Ciba-Geigy Ag Azo coupling process
US4618674A (en) * 1983-12-30 1986-10-21 Dellian Kurt A Red-1-(cyanophenylazo- or cyano, halophenylazo)-2-amino-8-hydroxynaphthalene-6 sulfonic acid dyestuffs

Also Published As

Publication number Publication date
CH596262A5 (enrdf_load_html_response) 1978-03-15
FR2119078A1 (enrdf_load_html_response) 1972-08-04
CH580671A5 (enrdf_load_html_response) 1976-10-15
CH606317A5 (enrdf_load_html_response) 1978-10-31
FR2244796A1 (enrdf_load_html_response) 1975-04-18
GB1373928A (en) 1974-11-13
NL7117675A (enrdf_load_html_response) 1972-06-27
BE777257A (fr) 1972-06-26

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